--- a/devtools/shared/css/generated/properties-db.js
+++ b/devtools/shared/css/generated/properties-db.js
@@ -186,21 +186,23 @@ exports.CSS_PROPERTIES = {
   "-moz-appearance": {
     "isInherited": false,
     "subproperties": [
       "-moz-appearance"
     ],
     "supports": [],
     "values": [
       "-moz-gtk-info-bar",
+      "-moz-mac-active-source-list-selection",
       "-moz-mac-disclosure-button-closed",
       "-moz-mac-disclosure-button-open",
       "-moz-mac-fullscreen-button",
       "-moz-mac-help-button",
       "-moz-mac-source-list",
+      "-moz-mac-source-list-selection",
       "-moz-mac-vibrancy-dark",
       "-moz-mac-vibrancy-light",
       "-moz-win-borderless-glass",
       "-moz-win-browsertabbar-toolbox",
       "-moz-win-communications-toolbox",
       "-moz-win-exclude-glass",
       "-moz-win-glass",
       "-moz-win-media-toolbox",
@@ -1238,35 +1240,16 @@ exports.CSS_PROPERTIES = {
       7
     ],
     "values": [
       "inherit",
       "initial",
       "unset"
     ]
   },
-  "-moz-text-align-last": {
-    "isInherited": true,
-    "subproperties": [
-      "text-align-last"
-    ],
-    "supports": [],
-    "values": [
-      "auto",
-      "center",
-      "end",
-      "inherit",
-      "initial",
-      "justify",
-      "left",
-      "right",
-      "start",
-      "unset"
-    ]
-  },
   "-moz-text-size-adjust": {
     "isInherited": true,
     "subproperties": [
       "-moz-text-size-adjust"
     ],
     "supports": [],
     "values": [
       "auto",
@@ -3132,21 +3115,23 @@ exports.CSS_PROPERTIES = {
       "-moz-gtk-info-bar",
       "-moz-hidden-unscrollable",
       "-moz-image-rect",
       "-moz-inline-box",
       "-moz-inline-grid",
       "-moz-inline-stack",
       "-moz-left",
       "-moz-linear-gradient",
+      "-moz-mac-active-source-list-selection",
       "-moz-mac-disclosure-button-closed",
       "-moz-mac-disclosure-button-open",
       "-moz-mac-fullscreen-button",
       "-moz-mac-help-button",
       "-moz-mac-source-list",
+      "-moz-mac-source-list-selection",
       "-moz-mac-vibrancy-dark",
       "-moz-mac-vibrancy-light",
       "-moz-max-content",
       "-moz-middle-with-baseline",
       "-moz-min-content",
       "-moz-none",
       "-moz-popup",
       "-moz-pre-space",